Home / 103,109.13-142,299.76-60,086.28

Finding the Fourth Proportional to 103,109.13, 142,299.76 and 60,086.28

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Solution

The fourth proportional to 103,109.13, 142,299.76 and 60,086.28 is: 82,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,109.13 : 142,299.76 = 60,086.28 : x
  2. Step 2: Convert to fraction form
    103,109.13/142,299.76 = 60,086.28/x
  3. Step 3: Cross multiply
    103,109.13x = 142,299.76 × 60,086.28
  4. Step 4: Simplify right side
    103,109.13x = 8,550,263,223.29
  5. Step 5: Solve for x
    x = 8,550,263,223.29/103,109.13
  6. Step 6: Final answer
    x = 82,924.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.